Portable air compressor



FIG. 1 is a perspective view of a new design for a portable air compressor;

FIG. 2 is another perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a rear view thereof;

FIG. 9 is a further perspective view thereof with the hinged port access doors in a closed position;

FIG. 10 is the perspective view of FIG. 9 with the hinged port access doors in an opened position; and,

FIG. 11 is an even further perspective view with a pressure hose in an extended configuration.

The broken lines in the drawings depict environmental structure of the portable air compressor that form no part of the claimed design. 

CLAIM The ornamental design for a portable air compressor, as shown and described. 